starter Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 11] → [6, _, 10]

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Answer: Row3[2]=1, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [7,11]
  • [6,1,10]
Base
  • 6
  • 1
  • 10
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [8, 2, 9]

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Answer: Row2[2]=11, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [8,2,9]
Base
  • 8
  • 2
  • 9
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [18, 10] → [_, 9, _]

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Answer: Row3[3]=1, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [18,10]
  • [9,9,1]
Base
  • 9
  • 9
  • 1
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [14, _] → [_, 8, 4]

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Answer: Row3[1]=6, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [14,12]
  • [6,8,4]
Base
  • 6
  • 8
  • 4
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":1,"v":12}